Home / 15,240.27-21,032.39-8,525.50

Finding the Fourth Proportional to 15,240.27, 21,032.39 and 8,525.50

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Solution

The fourth proportional to 15,240.27, 21,032.39 and 8,525.50 is: 11,765.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,240.27 : 21,032.39 = 8,525.50 : x
  2. Step 2: Convert to fraction form
    15,240.27/21,032.39 = 8,525.50/x
  3. Step 3: Cross multiply
    15,240.27x = 21,032.39 × 8,525.50
  4. Step 4: Simplify right side
    15,240.27x = 179,311,640.95
  5. Step 5: Solve for x
    x = 179,311,640.95/15,240.27
  6. Step 6: Final answer
    x = 11,765.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.